May 13, 2026 • Leetcode
Maximum Length of Pair Chain
You are given an array of n pairs pairs where pairs[i] = [lefti, righti] and lefti < righti.
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May 10, 2026 • Leetcode
Subsets II
Given an integer array nums that may contain duplicates, return all possible subsets (the power set).
Read more →May 08, 2026 • Leetcode
Optimal Division
You are given an integer array nums. The adjacent integers in nums will perform the float division
Read more →May 07, 2026 • Leetcode
Reconstruct Original Digits from English
Given a string s containing an out-of-order English representation of digits 0-9, return the digits in ascending order.
Read more →May 05, 2026 • Leetcode
Longest Substring with At Least K Repeating Characters
Given a string s and an integer k, return the length of the longest substring of s such that the frequency of each character in this substring is greater than o
Read more →May 04, 2026 • Leetcode
Unique Paths II
You are given an m x n integer array grid. There is a robot initially located at the top-left corner (i.e., grid[0][0]).
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